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Imagine someone demonstrating a jet plane 15 years before Kitty Hawk. Imagine someone demonstrating a smartphone 15 years before the first cellular networks were even launched. Imagine someone demonstrating a controlled nuclear chain reaction 15 years before Einstein formulated e=mc2.

On a crisp, overcast, and breezy Monday afternoon in San Francisco on December 9, 1968, before an SRO audience of more than 2,000 slack-jawed computer engineers, a soft-spoken engineer named Douglas Engelbart held the first public demonstration of word processing, point-and-clicking, dragging-and-dropping, hypermedia and hyperlinking, cross-file editing, idea/outline processing, collaborative groupware, text messaging, onscreen real-time video teleconferencing, and a weird little device dubbed a “mouse” — the essentials of a graphical user interface (GUI) 15 years before the first personal computers went on sale. Read more…